3a all ends thread class 2.500" overall length 12 all ends thread quantity per inch supports grumman a-10 aircraft passivate body surface treated male coupling half unj all ends thread series
3a all ends thread class 2.803" overall length 12 first quick disconnect end thread quantity per inch first fluid end w/bulk head 1.062-12un-3a thd anodize body surface treated male coupling half un all ends thread series